Agricultural conglomerate Cargill Inc. is banking on its global footprint to give it a leg up in blunting the impact of climate change. Technology and expertise Cargill uses to raise livestock and track crop production in places like Southeast Asia can apply to regions of the U.S. that may grow hotter over coming decades, said Cargill Executive Chairman Gregory Page, who helped advise on a new report weighing climate change’s potential impact on U.S. business.